الانبياۤء — Al-Anbiya' Ayat 49

الَّذِيْنَ يَخْشَوْنَ رَبَّهُمْ بِالْغَيْبِ وَهُمْ مِّنَ السَّاعَةِ مُشْفِقُوْنَ

Allażīna yakhsyauna rabbahum bil-gaibi wa hum minas-sā‘ati musyfiqūn(a).

"Who fear their Lord unseen, while they are of the Hour apprehensive."